they will be joined by rebecca brooks. she is the chief executive of news international, and was the editor of nice of the world, the sunday tabloid at the time it allegedly hired a detective to hack into the voice mail of an abducted school girl who was later murdered. rupert and james murdoch initial declined to go before the committee citing prior engagements with you offering to cooperate at a later date. but a formal summons arrived, and that happened here in london. so they have decided to go. >> day by day this has become worse for them. it's engulfed them in a way and there has been a sense of meltdown around them. they have some really difficult questions to face. >> reporter: reportedly the fine has opened an investigation in the united states to determine whether or not of any news corp's entities hacked into the voicemail systems of victims of 9/11. alisyn: the debt showdown, why seniors could be at risk and what it means for the average american. we'll go in-depth. >> if you are with the president and the visi